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What is the Least Common Multiple of 16945 and 16951?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 16945 and 16951 is 287234695.

LCM(16945,16951) = 287234695

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Least Common Multiple of 16945 and 16951 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 16945 and 16951, than apply into the LCM equation.

GCF(16945,16951) = 1
LCM(16945,16951) = ( 16945 × 16951) / 1
LCM(16945,16951) = 287234695 / 1
LCM(16945,16951) = 287234695

Least Common Multiple (LCM) of 16945 and 16951 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 16945 and 16951. First we will calculate the prime factors of 16945 and 16951.

Prime Factorization of 16945

Prime factors of 16945 are 5, 3389. Prime factorization of 16945 in exponential form is:

16945 = 51 × 33891

Prime Factorization of 16951

Prime factors of 16951 are 11, 23, 67. Prime factorization of 16951 in exponential form is:

16951 = 111 × 231 × 671

Now multiplying the highest exponent prime factors to calculate the LCM of 16945 and 16951.

LCM(16945,16951) = 51 × 33891 × 111 × 231 × 671
LCM(16945,16951) = 287234695